DLP9000: Name matching of single-ended signals between DLPC900 and DLP9000 devices.

Lesser Horned Owl

Part Number: DLP9000

Hi,

I have defined my own connectors and cabling between my two board designs. One board is the DLP controller board using two DLPC900s, and the other is the micromirror board using the DLP9000. I have both schematics from the DLP9000 Lightcrafter EVM reference design, and the signal names between the two schematics are different. The mapping from one connector to the other, with the Amphenol cable(s), is confusing to me. I have determined the following matching:

DLP side	DMD side
DADOEZ	DAD_OEZ
DADINTZ	DADIRQZ
SSP0_RXD_S2M	SCP_DO
SSP0_CSZ1_DMD	SCP_DMD_CSZ
SSP0_CSZ0_DAD1	<UNUSED>
SSP0_CXZ5_DAD2	<UNUSED>
SSP0_TXD_M2S	SCP_DI
SSP0_CLK	SCP_CLK
DADSTRB	DADSTRB
DADADDRx	DAD_ADDRx
DADMODEx	DADMODE_x
DADSELx	DADSEL_x
M_EXT_RSTZ	DMDRSTZ

I would like someone to confirm that I got this right.

Thank you,

Hanson

over 4 years ago

0 Fizix over 4 years ago

TI__Mastermind 43135 points

Hanson,

This looks correct, but I will have to check the schematic again to verify the SCP lines. Please allow a couple of days as I am on travel.

Fizix

0 Fizix over 4 years ago in reply to Fizix

TI__Mastermind 43135 points

Hanson,

Your mapping is correct according to the schematic. Please note that at the slave controller the SSP0_RXD signal goes to the SSP0_TXD pin and SSP0_TXD signal goes to the SSP0_RXD pin.

Similarly at the DMD SCP_DO goes to the DMD SCPDI and SCP_DI to the DMD SCPDO.

The signal names are from the Master's point of view, but the pin names are from the component point of view.

I hope this makes sense.

Fizix

0 Lesser Horned Owl over 4 years ago in reply to Fizix

Prodigy 140 points

Thanks fizix, this makes complete sense to me.

Hanson

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DLP9000: Name matching of single-ended signals between DLPC900 and DLP9000 devices.